Home / 53,561.71-73,917.49-29,688.40

Finding the Fourth Proportional to 53,561.71, 73,917.49 and 29,688.40

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Solution

The fourth proportional to 53,561.71, 73,917.49 and 29,688.40 is: 40,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,561.71 : 73,917.49 = 29,688.40 : x
  2. Step 2: Convert to fraction form
    53,561.71/73,917.49 = 29,688.40/x
  3. Step 3: Cross multiply
    53,561.71x = 73,917.49 × 29,688.40
  4. Step 4: Simplify right side
    53,561.71x = 2,194,491,792.57
  5. Step 5: Solve for x
    x = 2,194,491,792.57/53,561.71
  6. Step 6: Final answer
    x = 40,971.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.